ULTEM Signal Whistle

Superbly machined from solid ULTEM® billet rod, our SPD ULTEM® Signal Whistle is designed to be used to alert others with a high pitch and piercing sound rated to 120+ decibels. Whether in a search and rescue capacity or to alert others in your party when separated in the backcountry, this excellently made EDC tool can be worn around the neck with the included stainless steel MILSPEC ball chain or clipped to a keyring as desired. #ultemsignalwhistle The ULTEM® Signal Whistle features our popular Mk2 style pineapple pattern for sure grip in just about any weather conditions, rain or shine. ULTEM® stands out from other high-performance polymers because it is uniquely designed to remain mechanically stable under extreme conditions. It can withstand temperatures upwards of 217°C for extended periods of time and remain dimensionally stable in fluctuating temperatures. It is inherently flame resistant. ULTEM® was created for use in the aerospace industry and designed to remain mechanicall